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# C1 binomials help needed

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Why bother with a post grad course - waste of time? 17-10-2016
1. Hey guys, how do I Find the term independent of x in the expansion of (X2 /2 - 2/x)9I got no idea what to do when X's are on both sided.
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Just quoting in Puddles the Monkey so she can move the thread if needed
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(Original post by Puddles the Monkey)
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3. (Original post by jeja12)
Hey guys, how do I Find the term independent of x in the expansion of (X2 /2 - 2/x)9I got no idea what to do when X's are on both sided.
Take a value of X out so that you are left with (1+bx)^n and raise it to the power of the bracket, then use the equation 1+nx+n(n-1)/2 *(x)^2 etc.

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